Medicine cabinet



FIG. 1 is a front and left side perspective view of a medicine cabinet showing my new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a top and front perspective view thereof, with the two doors shown partially opened.

The broken-line disclosure of portions of the interior and the rear of the cabinet are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a medicine cabinet, as shown and described. 